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Finding the Fourth Proportional to 53,292.47, 79,939.04 and 36,601.90

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Solution

The fourth proportional to 53,292.47, 79,939.04 and 36,601.90 is: 54,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,292.47 : 79,939.04 = 36,601.90 : x
  2. Step 2: Convert to fraction form
    53,292.47/79,939.04 = 36,601.90/x
  3. Step 3: Cross multiply
    53,292.47x = 79,939.04 × 36,601.90
  4. Step 4: Simplify right side
    53,292.47x = 2,925,920,365.32
  5. Step 5: Solve for x
    x = 2,925,920,365.32/53,292.47
  6. Step 6: Final answer
    x = 54,903.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.